000 CDUS41 KLWX 290524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT SAT SEP 29 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 28 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 79 244 PM 86 1998 75 4 78 MINIMUM 60 1159 PM 34 1989 50 10 56 AVERAGE 70 63 7 67 PRECIPITATION (IN) YESTERDAY 0.00 1.61 2004 0.12 -0.12 0.67 MONTH TO DATE 1.40 3.58 -2.18 7.09 SINCE SEP 1 1.40 3.58 -2.18 7.09 SINCE JAN 1 19.04 31.81 -12.77 34.08 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 5 -5 0 MONTH TO DATE 26 50 -24 35 SINCE SEP 1 26 50 -24 35 SINCE JUL 1 26 55 -29 35 COOLING YESTERDAY 5 2 3 2 MONTH TO DATE 220 128 92 80 SINCE SEP 1 220 128 92 80 SINCE JAN 1 1485 1053 432 1241 .................................................................. WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 8.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 30 300 PM AVERAGE 62 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 85 1986 1973 MINIMUM TEMPERATURE (F) 50 34 1978 SUNRISE AND SUNSET SEPTEMBER 29 2007.....SUNRISE 704 AM EDT SUNSET 656 PM EDT SEPTEMBER 30 2007.....SUNRISE 704 AM EDT SUNSET 655 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$